90 TRYXALIIs^.Ti. 



4 (3) Sexes dissimilar ; front niargiu of 



tegmina in the male in part trans- 

 parent and traversed by regular 

 transverse nervvn-es Acridfxla, BoL, p. 100. 



5 (2) Eyes nearer the base than the apex. Aswatthamanus, g. n., 

 tj (1) Head not ascending. Fastigiuni [p. 101 



broad or narrow, more or less 

 rounded at extremity. 



7 (20) Foveolse of vertex obsolete or not 



visible from above. 



8 (15) Scapular area in the tegmina of the 



male not dilated, opaque, reti- 

 culated. 



9 (14) Lateral carina} of pronotum straight, 



continuous. 



10 (11) Wings perfectly developed riiL^OBA, Stal, p. 102. 



11 (10) Wings not developed ; tegmina rudi- 



mentary. 



12 (10) Lateral carinte of fastigium obtuse ; 



foveolpe imperfectly indicated ; 

 pronotum eniarginate behind ; 

 tegmina narrow,subparallel-sided, 

 rounded at apex Phl^i^obida, Bol.,p. 107. 



13 (12) Lateral carinas of fastigium acute ; 



foveolse absent; pronotum trun- 

 cate behind; tegmina lanceolate. Paraphl^eoba, Bol., 



14 (9) Lateral cariua3 of pronotum diverging [p. 108. 



posteriorly Ceracris, Walk., p. 110. 



15 (8) Scapular area dilated, hyaline, reti- 



culated with oblique veins. 



16 (17) Foveolae of fastigium very narrow, 



inferior ; antennae depressed, sub- 

 ensiform ; lateral carina3 of pro- 

 notum straight; metasternal lobes 

 contiguous for some distance be- 

 hind the foveaj Ochrilidia, StfJ, p. 115. 



17 (16) Foveolse wider ; antennae filiform ; 



lateral carinse of pronotum flexu- 

 ous ; metasternal lobes subcon- 

 tiguous behind the fovere. 



18 (19) Tegmina extending beyond the apex 



of abdomen Gymnoboihuus, Bol., 



19 (18) Tegmina reaching the middle of the [p. 113. 



abdomen Maduuea, Bol., p. 114. 



20 (7) Foveolaj of vertex visible from above, 



rhomboidal, oblong or triangular. 



21 (22) Tegmina rudimentary ; foveolse of 



vertex triangular, extended to 



apex of fastigium Zygothl^^oba, Bol., 



22 (21) Tegmina and wings developed. [p. 105. 



23 (34) Intercalated vein wanting or inter- 



rupted. 



24 (33) Valvulse of ovipositoi- exserted, free. 



25 (32) Pronotum constricted. 



26 (29) Mediastinal areaof tegmina gradually 



narrowed to the apex. 



